[Event "URS-chT Cup 05th"]
[Site "Moscow"]
[Date "1966.09.27"]
[Round "4(1)"]
[White "Birbrager, Isaak"]
[Black "Botvinnik, Mikhail"]
[Result "0-1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. cxd5 cxd5 5. Nf3 Nc6 6. Bf4 Nh5 7. Bd2 g6 8. e3 Bg7 9. Be2
O-O 10. O-O e6 11. Rc1 Bd7 12. Na4 b6 13. Ba6 Qe8 14. Nc3 Nb4 15. Be2 Nc6 16. Ba6 Qb8 17.
Qe2 Nf6 18. Rfd1 Rd8 19. Nb5 Ne4 20. Be1 Bf8 21. Rc2 Bc8 22. Na3 Na5 23. b4 Bxa6 24. Qxa6
Qb7 25. Qxb7 Nxb7 26. Rc7 Nbd6 27. Ne5 a5 28. bxa5 Ne8 29. Nb5 Nxc7 30. Nxc7 Rxa5 31. Bxa5
bxa5 32. Nb5 Rc8 33. Nd7 Be7 34. f3 Nc3 35. Nxc3 Rxc3 36. e4 dxe4 37. fxe4 Rc7 38. Ne5 Rc2
39. Rf1 f6 40. Nd7 Kg7 41. Rf2 Rc7 42. Nb6 Rc6 43. Rb2 Bb4 44. Na4 Rc4 45. d5 exd5 46.
exd5 Ba3 47. Rb7+ Kh8 0-1